18650 Lithium Battery Protection Board BMS 2S

Overcharge & Short-Circuit Protection

2S 18650 lithium battery protection board with overcharge, over-discharge, overcurrent and short-circuit protection for DIY packs.

✓2S 18650 protection board
✓Overcharge and over-discharge protection
✓Overcurrent and short-circuit cutoff
✓For DIY battery packs
✓Series connections only

●In StockSKU: AS-80K6HB44

💻 Product Overview

A 2S lithium battery protection board for 18650 packs, monitoring voltage and current to keep two-cell series builds safe. It is aimed at DIY battery pack builders, power bank projects, robotics and portable energy systems. The board adds overcharge, over-discharge, overcurrent and short-circuit protection to help extend battery life and reduce safety risks.

✨ Key Features

Overcharge protection: Prevents damage from excessive charging.
Over-discharge protection: Protects cells from deep discharge.
Overcurrent protection: Limits excessive current flow.
Short-circuit protection: Instantly cuts off power during faults.
Series configuration: Supports series (S) connections only and must match the exact cell count.
Variant selection: Available in multiple versions to match different battery pack configurations.

🇱🇧 Why Buy from Technodel?

🚚 Delivery Across Lebanon — 1-3 business days to all regions
🛡️ Warranty — as stated on this product page, plus 30-day returns with a full refund
💬 WhatsApp Support — ask us anything before or after you order
💵 Cash on Delivery — pay when the order reaches you

🛒 Frequently Bought Together

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1.5m Printer Cable USB 2.0, Type A Male to B Male Cord for Arduino Electric Piano, DAC, Vinyl Cutter

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Bundle Deal

Buy all 3 + save 5%

❓ Common Questions

Real questions customers ask about this product — delivery, warranty, payments & compatibility.

Is this product available in Lebanon?▾

Yes — it is available at Technodel with delivery across all of Lebanon: same-day to Beirut, Sour, Tripoli and surroundings, and 1–2 days to every other region.

Where does Technodel source this product?▾

Technodel sources from established suppliers in Lebanon. The product page states its condition and its warranty, and compatible parts are labelled as compatible.

What warranty comes with this product?▾

Warranty terms are stated on each product page. Where a manufacturer warranty applies, warranty support is handled through Technodel.

How can I pay for this product?▾

Technodel accepts cash on delivery, Wish Money transfer, and cryptocurrency (USDT, BTC, ETH). Delivery is a flat $4 anywhere in Lebanon, free on orders of $500 or more.

What are the main specifications of this product?▾

The specifications table on this page lists the key details (model, capacity/speed, dimensions, connectivity and more). If you need a detail not listed, message us on WhatsApp and we'll confirm it for you.

Is this product suitable for my setup?▾

If you're unsure whether this fits your laptop, PC, console or network, send us a message with your setup and we'll confirm compatibility before you order.

Need another answer? Message us on WhatsApp +961 3 659 872 or read our FAQ.